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my Ford Explorer sputters and hesitates when I accelerate what’s wrong - Ford Explorer
Home/Cars/Ford/Explorer/Fifth Generation (2011-2019)/my Ford Explorer sputters and hesitates when I accelerate what’s wrong

my Ford Explorer sputters and hesitates when I accelerate what’s wrong

Ford Explorer Fifth Generation (2011-2019)

Error Codes
2-4 hours
Time
medium
Difficulty
high
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
588 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix sputtering issues during acceleration in Ford Explorer. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component
Fuel System
Estimated Time
2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect the battery before working on electrical systems.
  • •Allow the engine to cool before inspecting the fuel system to avoid burns.

Symptoms

  • •Check engine light illuminated
  • •Rough acceleration
  • •Engine stalling at low speeds
  • •Decreased fuel efficiency
  • •Unusual engine noises (e.g., backfiring)

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

  • ✓Test the affected component to ensure it functions correctly
  • ✓Check for any error codes or warning lights
  • ✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

  • •Follow the manufacturer's recommended maintenance schedule
  • •Address warning signs early before they develop into major issues
  • •Use quality parts and fluids recommended for your vehicle
  • •Keep detailed records of all repairs and maintenance

Tools & Equipment Required

  • •OBD-II scanner
  • •Fuel pressure gauge
  • •Socket set
  • •Torque wrench
  • •Screwdrivers
  • •Wrench set

Parts Required

  • •Fuel filter
  • •Spark plugs
  • •Ignition coils (if needed)
  • •Air filter
  • •MAF sensor cleaner

Additional Information

Affected Component
Fuel System
Estimated Time
2-4 hours
Difficulty
medium
Severity
high
Tools Required
6 items
Parts Required
5 items

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Solution
1. Preparation
  • Gather tools and parts needed for the repair.
  • Disconnect the battery to ensure safety while working on electrical systems.
2. Fuel System Inspection

  1. Check Fuel Pressure

    • Connect the fuel pressure gauge to the fuel rail’s test port.
    • Turn the ignition to the "On" position (do not start the engine) and read the fuel pressure.
    • Compare the reading with manufacturer specifications (typically 30-60 psi for Ford Explorer).
    • If pressure is low, inspect the fuel pump and fuel filter for issues.

  2. Replace Fuel Filter

    • Locate the fuel filter under the vehicle.
    • Use a wrench to disconnect the fuel lines (be cautious of fuel spillage).
    • Remove the old filter and install a new one, ensuring the flow direction matches the markings.
3. Ignition System Repair

  1. Inspect and Replace Spark Plugs

    • Remove the engine cover if necessary to access the spark plugs.
    • Use a socket set to remove the spark plugs.
    • Inspect for wear and replace with new plugs that meet specifications (usually Motorcraft or equivalent).

  2. Check and Replace Ignition Coils

    • Remove the ignition coil connectors.
    • Unscrew and remove the ignition coils (if applicable).
    • Replace any faulty coils with new units.
4. Air Intake and Sensors

  1. Clean or Replace Air Filter

    • Remove the air intake cover.
    • Take out the air filter and inspect it for dirt. Clean or replace it as necessary.

  2. Inspect MAF Sensor

    • Disconnect the MAF sensor connector.
    • Clean the sensor with MAF sensor cleaner (do not touch the sensing element).
    • Reinstall the connector once cleaned.
5. Reassembly and Testing
  • Reconnect the battery.
  • Start the vehicle and ensure all connections are secure.
  • Check for any leaks in the fuel system.